Eliza gripped her lukewarm tea, knuckles white. The bar, a dimly lit haven she'd frequented in her early twenties, was suddenly echoing with the familiar opening bars. It was her song, a ballad she'd written during a particularly painful breakup. Now, a man with a surprisingly strong voice was belting it out, his version polished and slick. She found herself tracing the outline of her scar, a physical echo of a past heartbreak. A sense of displacement settled in her stomach, a feeling of being both here and a lifetime ago.

Emotion: nostalgic

Cluster: Nostalgia / Reflection
PC1 (Valence): 1.00 Positive
PC2 (Disposition): -1.93

Role in Research

This story is one of 1,000 stories generated for the emotion nostalgic. During extraction, it was fed through Gemma4-31B and its hidden state activations were captured at 11 layers.

The mean activation across all 1,000 nostalgic stories, after denoising with neutral dialogue baselines, produces the nostalgic emotion vector -- a direction in the model's 5,376-dimensional representation space.

Logit Lens (Layer 40)

Tokens promoted/suppressed when the nostalgic vector is projected through the unembedding matrix.

Promoted:
H0.677
L0.647
시절0.611
nostalgic0.609
fondly0.609
Suppressed:
--0.564
either-0.525
or-0.497
-0.487
l-0.449